40662770 has 16 divisors (see below), whose sum is σ = 73568088. Its totient is φ = 16181760.

The previous prime is 40662761. The next prime is 40662773. The reversal of 40662770 is 7726604.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 36348841 + 4313929 = 6029^2 + 2077^2 .

It is not an unprimeable number, because it can be changed into a prime (40662773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8351 + ... + 12290.

Almost surely, 2^40662770 is an apocalyptic number.

40662770 is a deficient number, since it is larger than the sum of its proper divisors (32905318).

40662770 is a wasteful number, since it uses less digits than its factorization.

40662770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20845.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 40662770 is about 6376.7366262062. The cubic root of 40662770 is about 343.8737198741.

The spelling of 40662770 in words is "forty million, six hundred sixty-two thousand, seven hundred seventy".